remove unused fOrderIndex and cOrderIndex

Author: brokkoli71

src/main/java/dev/zarr/zarrjava/utils/IndexingUtils.java

@@ -116,31 +116,6 @@ public static ChunkProjection computeProjection(
         return new ChunkProjection(chunkCoords, chunkOffset, outOffset, shape);
     }
 
-
-    public static long cOrderIndex(final long[] chunkCoords, final long[] arrayShape) {
-        long index = 0;
-        long multiplier = 1;
-
-        for (int i = arrayShape.length - 1; i >= 0; i--) {
-            index += chunkCoords[i] * multiplier;
-            multiplier *= arrayShape[i];
-        }
-
-        return index;
-    }
-
-    public static long fOrderIndex(final long[] chunkCoords, final long[] arrayShape) {
-        long index = 0;
-        long multiplier = 1;
-
-        for (int i = 0; i < arrayShape.length; i++) {
-            index += chunkCoords[i] * multiplier;
-            multiplier *= arrayShape[i];
-        }
-
-        return index;
-    }
-
     public static boolean isFullChunk(final int[] selOffset, final int[] selShape,
                                       final int[] chunkShape) {
         if (selOffset.length != selShape.length) {

src/main/java/dev/zarr/zarrjava/v3/codec/core/ShardingIndexedCodec.java

@@ -119,8 +119,6 @@ public ByteBuffer encode(final Array shardArray) throws ZarrException {
                 .forEach(
                         chunkCoords -> {
                             try {
-                                final int i =
-                                        (int) IndexingUtils.cOrderIndex(chunkCoords, Utils.toLongArray(chunksPerShard));
                                 final IndexingUtils.ChunkProjection chunkProjection =
                                         IndexingUtils.computeProjection(chunkCoords, shardMetadata.shape,
                                                 shardMetadata.chunkShape

src/test/java/dev/zarr/zarrjava/TestUtils.java

@@ -76,25 +76,6 @@ public void testComputeProjection(){
         Assertions.assertArrayEquals(new int[]{1, 17}, projection.shape);
     }
 
-    @Test
-    public void testFOrderIndexOverflow() {
-        // Create a shape that fits in long but would cause int overflow in fOrderIndex
-        // Shape: [2000, 2000, 1000] -> Total elements = 4,000,000,000 (exceeds Integer.MAX_VALUE 2.14B)
-        long[] arrayShape = {2000, 2000, 1000};
-
-        // Target coordinates near the end
-        long[] chunkCoords = {1999, 1999, 999};
-
-        // Expected index should be large (approx 4 billion)
-        long expectedIndex = 1999 +
-                1999 * 2000L +
-                999 * 2000L * 2000L;
-
-        long actualIndex = IndexingUtils.fOrderIndex(chunkCoords, arrayShape);
-
-        Assertions.assertEquals(expectedIndex, actualIndex, "fOrderIndex failed due to integer overflow");
-    }
-
     @Test
     public void testComputeChunkCoordsOverflow() {
         // Shape: [100000, 100000]